Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

L&T EduTech
Skills you'll gain: Traffic Flow Optimization, Civil Engineering, Stormwater Management, Structural Engineering, Hydrology, Hydraulics, Drafting and Engineering Design, Construction, Safety Standards, Design, Simulation and Simulation Software
★ 4.6 (24) · Intermediate · Course · 1 - 3 Months

Universidad Austral
Skills you'll gain: Teaching, Educational Materials, Differentiated Instruction, Diversity Awareness, Instructional and Curriculum Design, Curriculum Planning, Pedagogy, Cultural Diversity, Curriculum Development, Lesson Planning, Program Evaluation, K-12 pedagogy, Instructional Strategies, Student-Centred Learning
★ 4.9 (234) · Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Technical Communication, Data Visualization, Data Presentation, Data Wrangling, Scientific Visualization, Technical Writing, Data Visualization Software, Technical Documentation, Data Ethics, Data Cleansing, Persuasive Communication, Data Science, Writing, Layout Design, Editing, Graphic and Visual Design
Intermediate · Course · 1 - 3 Months

Alfaisal University | KLD
Skills you'll gain: Business Management, Administration, Leadership and Management, Organizational Structure, Leadership Studies, Organizational Effectiveness, Goal Setting, Leadership, Operational Efficiency
★ 4.9 (290) · Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Public Health, Continuous Quality Improvement (CQI), Health Care, Geographic Information Systems, Research Design, Geospatial Mapping
★ 4.9 (74) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Model View Controller, .NET Framework, Order Management, Object-Relational Mapping, Application Deployment, User Accounts, Order Management Systems, Database Management, Data Access, User Interface (UI) Design, Full-Stack Web Development, Cloud Deployment, Web Development, Authentications, Web Applications, User Interface and User Experience (UI/UX) Design, Cloud Applications, UI Components, User Interface (UI)
Intermediate · Specialization · 3 - 6 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Matplotlib, Data Visualization, Tensorflow, NumPy, Pandas (Python Package), Object Oriented Programming (OOP), Seaborn, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), Keras (Neural Network Library), Scikit Learn (Machine Learning Library), Data Manipulation
★ 4.6 (26) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Medication Therapy Management, Pharmacotherapy, Pharmacology, Medical Prescription, Patient Education And Counseling, Pharmaceuticals, Clinical Pharmacy, Patient Education and Support, Drug Development, Value-Based Care, Utilization Management, Health Policy, Clinical Research, Patient Safety, Research Design, Epidemiology
★ 4.4 (10) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Frontend Integration, CI/CD, Jenkins, Docker (Software), Spring Boot, Continuous Integration, Configuration Management, Containerization, Cloud-Native Computing, Scalability, Software Documentation, Application Deployment, Java, API Design, Java Programming, API Gateway, Back-End Web Development, JUnit, Application Programming Interface (API), React.js
★ 3.9 (21) · Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Universidade Estadual de Campinas
Skills you'll gain: Video Game Development, Game Design, Aesthetics, Art History, Culture, Conceptual Design, Liberal Arts, Creativity, Post-Production, Social Impact
★ 4.7 (233) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft Word, Microsoft Office, Document Management, Productivity Software, Recruitment, Writing, Design
★ 4 (35) · Beginner · Guided Project · Less Than 2 Hours